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The combined effects of temperature and salinity on embryos and larvae of the black-lip pearl oyster, Pinctada margaritifera (L.)

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Doroudi, M.S., Southgate, P. C. and Mayer, R. J. (1999) The combined effects of temperature and salinity on embryos and larvae of the black-lip pearl oyster, Pinctada margaritifera (L.). Aquaculture Research, 30 (4). pp. 271-277. ISSN 1355-557X

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Article Link: https://doi.org/10.1046/j.1365-2109.1999.00324.x

Abstract

This paper reports on a 4 × 4 factorial design experiment conducted to examine the combined effects of temperature and salinity on embryonic development and growth and survival of black-lip pearl oyster, Pinctada margaritifera (L.) larvae. The temperatures used were 20 °C, 25 °C, 30 °C and 35 °C, and the salinities were 25°/oo, 30°/oo, 35°/oo and 40°/oo. Response surface contour diagrams were generated from the survival and growth data to estimate optimal conditions. Normal development of embryos occurred only from 25 °C to 30 °C. The optimal conditions for maximum survival and growth were 26–29 °C and 28–32°/oo. Temperatures of 35 °C or greater were lethal for larvae and, at all temperatures tested, larval growth and survival were lowest at a salinity of 40°/oo.

Item Type:Article
Subjects:Aquaculture and Fisheries > Fisheries > Fishery research
Aquaculture and Fisheries > Aquaculture > Shellfish culture
Live Archive:14 Feb 2024 01:42
Last Modified:14 Feb 2024 01:42

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